AWS IoT Services

Connection Services

AWS IoT Core

• Primary service for IoT device connectivity

• Capabilities:

  • Connects billions of devices

  • Routes trillions of messages

  • Supports MQTT protocol

  • Integrates with AWS services (S3, Lambda, IoT Analytics)

  • Enables device message publishing and ingestion

AWS IoT Events

• Purpose: Event-based alert triggering

• Features:

  • Sensor data monitoring

  • Conditional logic for alarms

  • Event detection and triggering

AWS IoT 1-Click

• Purpose: Simple device integration

• Features:

  • Direct Lambda function triggering

  • Pre-provisioned security certificates

  • Device management and grouping

• Use case: One-button device activation

AWS IoT Things Graph

• Purpose: IoT workflow development

• Features:

  • Low-code logical workflows

  • Drag-and-drop interface

  • Reusable patterns and models

  • Web service integration

  • Similar to Step Functions

AWS IoT Greengrass

• Purpose: Device software deployment

• Features:

  • Greengrass client installation

  • Lambda function deployment

  • Docker image deployment

  • Local ML model inference

  • IoT Core data exchange

Device Management Services

IoT Device Management

• Purpose: Device registry and organization

• Features:

  • Bulk device registration

  • Device group organization

  • Over-the-air firmware updates

  • Device fleet management

IoT Device Defender

• Purpose: Security monitoring

• Features:

  • Continuous configuration auditing

  • ML-based anomaly detection

  • Suspicious behavior alerts

  • Security analysis

Analytics and Visualization Services

IoT Analytics

• Purpose: Time-series data analysis

• Features:

  • Message aggregation and enrichment

  • Time-series data storage

  • Near-live analysis

  • SQL and ML analysis support

  • QuickSight integration

IoT SiteWise

• Purpose: On-premises IoT monitoring

• Features:

  • Local data collection

  • Offline device monitoring

  • Edge software deployment

  • Local and cloud application integration

  • Warehouse monitoring capabilities

Key Exam Considerations

1. IoT Core Essentials

   • Primary connectivity service

   • MQTT protocol support

   • Massive scale capabilities

2. Device Management Functions

   • Large-scale device organization

   • Firmware update capabilities

   • Security monitoring

3. Analytics Implementation

   • Time-series data handling

   • Data enrichment

   • Integration with visualization tools